Arizona attracts steady Canadian, Mexican, and Northern European seasonal buyers — Phoenix, Scottsdale, Tucson, and Sedona second homes. When those owners eventually sell, FIRPTA applies. Arizona has an income tax, but no closing-table state withholding stack.
Arizona is one of the most consistent snowbird states in the U.S. The Maricopa County, Pima County, and Yavapai County markets see meaningful seasonal foreign-owner concentration — particularly from Canada (the largest single foreign-buyer group nationally in NAR's annual surveys). Many of those owners eventually sell — either to downsize, to repatriate capital, or because U.S. estate or treaty planning makes a sale the cleaner exit.
When a foreign seller closes an Arizona property, the federal FIRPTA rules apply exactly as they do everywhere else. The state-tax conversation is different from California or Maryland — Arizona has no closing-table withholding regime — but the gain is still Arizona-source income, and the seller still owes Arizona tax on it.
Closing-table cash mechanics in Arizona look almost identical to Texas — federal-only, with no parallel state filing required at closing. The difference shows up the following year on the seller's Arizona return.
Arizona taxes nonresident income from Arizona sources, including gain from the sale of Arizona real property. Under A.R.S. §43-1091, nonresident gross income includes "gross income from sources within this state." Gain on the disposition of Arizona real property is Arizona-source income to a nonresident and reported on Arizona Form 140NR (Nonresident Personal Income Tax Return).
Arizona moved to a flat individual income tax rate of 2.5% effective 2023 (the lowest flat-rate income tax of any state with an income tax). On a $300,000.00 gain, the Arizona state tax is approximately $7,500.00 — a meaningful number, but considerably smaller than what California, New York, or Hawaii would collect on the same gain. The flat-rate structure means Arizona's nonresident tax bill on a real-estate sale is predictable and easy to model before the seller wires proceeds out of the country.
A Canadian seller closes on a $620,000.00 North Scottsdale resort-area condo, owned for 11 years and used as a snowbird residence. Basis is $370,000.00 (original purchase plus capital improvements). Gain is $250,000.00.
The following year:
The seller's actual after-tax position depends heavily on the Form 8288-B work done pre-closing on the federal piece — that's where the meaningful cash-at-closing improvement lives.
Because Arizona has no closing-table state withholding, the entire reduction conversation is federal. Form 8288-B, filed pre-closing with IRS Ogden, asks the IRS to authorize a reduced withholding amount based on the seller's actual expected federal tax on the gain. On the Scottsdale example: actual federal LTCG on $250,000.00 of gain is roughly $37,500.00 — substantially less than the $93,000.00 default withholding. A Form 8288-B filed 60-90 days before closing can drop the closing-table federal withholding accordingly, keeping the difference in the seller's pocket at closing instead of waiting on a federal refund the following year.
When the gain is zero — loss on sale, basis improvements bringing basis up to sales price, treaty exemption, documented §1031 exchange — Form 8288-B can authorize $0 federal withholding under Treas. Reg. §1.1445-3. None of this affects the Arizona state tax liability on the gain, which travels separately on Form 140NR.
Canadian sellers in particular often benefit from coordinated planning under the U.S.-Canada tax treaty. Capital gains on U.S. real property remain taxable in the U.S. under the treaty's real-property carve-out (Article XIII), but the seller's U.S. tax is creditable against their Canadian tax on the same gain (avoiding double taxation). The federal FIRPTA piece is the U.S. tax collection mechanism; the Canadian return picks up the credit. Many Canadian sellers don't realize the FIRPTA refund cycle (12-18 months from closing if no Form 8288-B is filed) can interact awkwardly with their Canadian filing — making the case for the certificate even stronger.
For Arizona foreign-seller engagements, the firm prepares Form 8288-B when there is sufficient pre-closing runway (60+ days), prepares the Form 8288 / 8288-A package within the 20-day federal deadline at closing, runs ITIN applications (Form W-7) in parallel when the seller doesn't already have one, prepares the eventual Form 1040-NR the following filing season, and prepares (or coordinates with the seller's preparer on) the Arizona Form 140NR nonresident return so the state liability is reported and paid. Engagement is direct with the seller or buyer; no fee to the Arizona title or escrow company.
For the Arizona state landing page and intake form, see FIRPTA Arizona: Foreign-Seller Closings. For the federal mechanics in depth, see the Foreign Sellers Guide.
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